CVE-2023-3955
HIGHCVSS 8.8/10EPSS 3.39%
Last modified
CVE-2023-3955 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A security issue was discovered in Kubernetes where a user that can create pods on Windows nodes may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they include Windows nodes.. EPSS estimates a 3.39% chance of exploitation in the next 30 days.
Description
A security issue was discovered in Kubernetes where a user that can create pods on Windows nodes may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they include Windows nodes.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Kubernetes | Kubernetes | < 1.24.17 |
| Kubernetes | Kubernetes | >= 1.25.0, < 1.25.13 |
| Kubernetes | Kubernetes | >= 1.26.0, < 1.26.8 |
| Kubernetes | Kubernetes | >= 1.27.0, < 1.27.5 |
| Kubernetes | Kubernetes | >= 1.28.0, < 1.28.1 |
References
- https://github.com/kubernetes/kubernetes/issues/119595Exploit, Mitigation, Patch, Third Party Advisory
- https://groups.google.com/g/kubernetes-security-announce/c/JrX4bb7d83ETechnical Description
- https://github.com/kubernetes/kubernetes/issues/119595Exploit, Mitigation, Patch, Third Party Advisory
- https://groups.google.com/g/kubernetes-security-announce/c/JrX4bb7d83ETechnical Description
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-3955?
A security issue was discovered in Kubernetes where a user
that can create pods on Windows nodes may be able to escalate to admin
privileges on those nodes. Kubernetes clusters are only affected if they
include Windows nodes.
How severe is CVE-2023-3955?
CVE-2023-3955 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 3.39% probability of exploitation in the next 30 days.
How do I fix CVE-2023-3955?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2023-3955?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST